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iwlwifi: move BIOS MCC retrieval to common code

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This will be used by more than MVM, so move it to iwlwifi

While at it, rename WRD_METHOD to the more appropriate
WRDD_METHOD and add some documentation.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Arik Nemtsov
2016-08-07 18:58:29 +03:00
committed by Luca Coelho
parent 4857d6cbf7
commit 671bed3fbe
3 changed files with 109 additions and 93 deletions
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20
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h
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@@ -5,7 +5,8 @@
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2008 - 2015 Intel Corporation. All rights reserved.
* Copyright(c) 2016 Intel Deutschland GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -93,4 +94,21 @@ struct ieee80211_regdomain *
iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
int num_of_ch, __le32 *channels, u16 fw_mcc);
#ifdef CONFIG_ACPI
/**
* iwl_get_bios_mcc - read MCC from BIOS, if available
*
* @dev: the struct device
* @mcc: output buffer (3 bytes) that will get the MCC
*
* This function tries to read the current MCC from ACPI if available.
*/
int iwl_get_bios_mcc(struct device *dev, char *mcc);
#else
static inline int iwl_get_bios_mcc(struct device *dev, char *mcc)
{
return -ENOENT;
}
#endif
#endif /* __iwl_nvm_parse_h__ */